Declension table of ?gṛdhnin

Neuter	Singular	Dual	Plural
Nominative	gṛdhni	gṛdhninī	gṛdhnīni
Vocative	gṛdhnin gṛdhni	gṛdhninī	gṛdhnīni
Accusative	gṛdhni	gṛdhninī	gṛdhnīni
Instrumental	gṛdhninā	gṛdhnibhyām	gṛdhnibhiḥ
Dative	gṛdhnine	gṛdhnibhyām	gṛdhnibhyaḥ
Ablative	gṛdhninaḥ	gṛdhnibhyām	gṛdhnibhyaḥ
Genitive	gṛdhninaḥ	gṛdhninoḥ	gṛdhninām
Locative	gṛdhnini	gṛdhninoḥ	gṛdhniṣu

Compound gṛdhni -

Adverb -gṛdhni